Finding the Fourth Proportional to 450,072.02, 621,093.36 and 256,491.26
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Solution
The fourth proportional to 450,072.02, 621,093.36 and 256,491.26 is: 353,954.50
Step by Step Solution
- Step 1: Write the proportion equation
450,072.02 : 621,093.36 = 256,491.26 : x - Step 2: Convert to fraction form
450,072.02/621,093.36 = 256,491.26/x - Step 3: Cross multiply
450,072.02x = 621,093.36 × 256,491.26 - Step 4: Simplify right side
450,072.02x = 159,305,018,484.03 - Step 5: Solve for x
x = 159,305,018,484.03/450,072.02 - Step 6: Final answer
x = 353,954.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.